NEC MOBILEPRO 900 - Manual (Page 57)

Introducing the MobilePro 2-13
! Locate the battery lock and release buttons on the bottom of
the system.
! Slide the lock button to the unlocked position in the direction
of the arrow as indicated in the following figure.
! Slide the release button in the direction of its arrow, as
indicated in the following figure, and hold it.
! Remove the battery from its bay.
Removing the battery pack
A – Battery Release Button C – Battery Lock Button
B – Lithium Battery Pack